CN217489780U - Energy-saving consumption-reducing rectifying tower utilizing waste heat - Google Patents
Energy-saving consumption-reducing rectifying tower utilizing waste heat Download PDFInfo
- Publication number
- CN217489780U CN217489780U CN202220426424.4U CN202220426424U CN217489780U CN 217489780 U CN217489780 U CN 217489780U CN 202220426424 U CN202220426424 U CN 202220426424U CN 217489780 U CN217489780 U CN 217489780U
- Authority
- CN
- China
- Prior art keywords
- pipe
- cavity
- liquid
- condenser
- phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model belongs to chemical industry application apparatus field especially relates to a waste heat utilization energy saving and consumption reduction rectifying column. Including rectifying column body and set up at the gas phase pipe at rectifying column body top and set up the liquid phase pipe at rectifying column body top, the gas phase union coupling has the condenser, the liquid phase union coupling has the reboiler, the reboiler intercommunication has liquid phase finished product pipe, the middle part of rectifying column body is provided with the feed liquor pipe, the feed liquor pipe includes gaseous heat transfer feed liquor pipe and liquid phase heat transfer feed liquor pipe, liquid phase finished product pipe intercommunication has the heat exchanger, liquid phase heat transfer feed liquor pipe intercommunication has the heat exchanger, gaseous heat transfer feed liquor pipe intercommunication has the condenser. The utility model discloses a change the heat exchange tube that the cooperation set up to the connection of current pipeline, make the feed liquor pipe by the heat transfer heating before getting into the rectifying column to improve the efficiency of volatilizing of liquid phase, thereby improve the rectification effect, the implementation of rectifying column is followed to the feed liquor pipe and is used, ensures the flat white effect of no energy, makes the waste heat obtain effective utilization.
Description
Technical Field
The utility model belongs to chemical industry application apparatus field especially relates to a waste heat utilization energy saving and consumption reduction rectifying column.
Background
Rectification is a separation process in which components in a mixture are separated by virtue of their different volatility, and the conventional equipment comprises a plate-type rectification column and a packed rectification column. The principle and the equipment flow of the precision rectification are the same as those of the common rectification, but the relative volatility of the components in the object system to be separated is small (< 1.05-1.10), so that the components to be separated are separated and purified by adopting the high-efficiency precision packing.
The existing common plate tower is a step-by-step contact type gas-liquid mass transfer device, which mainly comprises a cylindrical shell, tower plates, an overflow weir, a reboiler and a condenser, wherein when the plate tower works, liquid flows to a liquid receiving disc of a lower layer tower plate from a downcomer of an upper layer tower plate under the action of gravity, then transversely flows through the tower plates, and flows to a next layer tower plate from the downcomer of the other side. The overflow weir is used for keeping a liquid layer with certain thickness on the tower plate. The gas passes through the gas channels of the tower plates from bottom to top under the push of pressure difference, the small gas flows of the layers are dispersed, the bulges pass through the liquid layers of the tower plates, and the gas phase and the liquid phase are closely contacted on the tower plates to exchange heat and mass, thereby completing the rectification.
In the rectification process, the condenser is mainly used for cooling the gas phase, so that the collection of products is realized, the existing cooling mode mainly realizes the heating of water through water cooling, and due to the long-term work of the rectification tower, although the heated water is used for domestic water, most of the heat of the water is dissipated, and the finished product obtained by the reboiler also contains a large amount of heat which is usually directly wasted, so that how to effectively utilize the part of the heat is realized.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to foretell rectifying column waste heat's technical problem, provide a waste heat utilization energy saving and consumption reduction rectifying column of reasonable in design, simple structure, processing convenience and can effectively utilize the waste heat.
In order to achieve the purpose, the utility model discloses a technical scheme do, the utility model provides a waste heat utilization energy saving and consumption reduction rectifying column, including rectifying column body and the gaseous phase pipe of setting at rectifying column body top and be close to the liquid phase pipe that rectifying column body bottom set up, gaseous phase union coupling has the condenser, liquid phase union coupling has the reboiler, the reboiler intercommunication has liquid phase finished product pipe, the middle part of rectifying column body is provided with the feed liquor pipe, the feed liquor pipe includes gaseous phase heat transfer feed liquor pipe and liquid phase heat transfer feed liquor pipe, liquid phase finished product pipe intercommunication has the heat exchanger, liquid phase heat transfer feed liquor pipe intercommunication has the heat exchanger, gaseous phase heat transfer feed liquor pipe intercommunication has the condenser.
As preferred, the condenser is including being the condenser body of the vertical setting of jar form, the top of condenser body is provided with the gaseous phase pipe, the bottom of condenser body is provided with gaseous phase finished product pipe, be provided with the baffle from top to bottom in the condenser body, the baffle is split into the air inlet chamber, condensation chamber and the play sap cavity that set up from top to bottom with the condenser, the condensation intracavity is provided with the division board, the division board is split into left side cavity and the right side cavity of controlling two intercommunications with the condensation chamber, wherein, left side cavity and air inlet chamber intercommunication, right side cavity and play sap cavity intercommunication, be provided with gaseous phase heat transfer feed liquor pipe on the condensation chamber, gaseous phase heat transfer feed liquor pipe stretch into in the left side cavity and with right side cavity intercommunication, right side cavity intercommunication has the feed liquor pipe, be provided with the condenser pipe of vertical setting in the right side cavity intercommunication, condenser pipe and left side cavity, The liquid outlet cavity is communicated.
Preferably, the gas-phase heat exchange liquid inlet pipe is arranged in the left side cavity in an S-shaped bent shape.
Preferably, a flow guide partition plate is arranged in the left cavity, and the flow guide partition plates are arranged in the flow guide partition plate in a vertically staggered mode.
Preferably, the heat exchanger is including being the heat exchanger body of jar form setting, this internal division board that is provided with of heat exchanger, the division board is cut apart the heat exchanger body into three cavity, wherein, is provided with the heat exchange tube in the middle cavity, and the cavity intercommunication of cavity both sides in the middle of the heat exchange tube will be middle, be provided with liquid phase finished product pipe on the middle cavity, liquid phase finished product pipe is close to the left and right sides setting of cavity in the middle.
Preferably, the heat exchanger is internally provided with guide plates which are arranged in the middle chamber in a vertically staggered manner.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. the utility model provides a waste heat utilization energy saving and consumption reduction rectifying column changes the heat exchange tube that the cooperation set up through the connection to current pipeline, makes the feed liquor pipe by the heat transfer heating before getting into the rectifying column to improve the efficiency of volatilizing of liquid phase, thereby improve the rectification effect, simultaneously, the implementation of rectifying column is followed to the feed liquor pipe and is used, ensures the flat white effect of no energy, makes the waste heat obtain effective utilization.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a waste heat utilization energy-saving consumption-reducing rectifying tower provided in embodiment 1;
FIG. 2 is a schematic structural view of a condenser provided in example 1;
FIG. 3 is a schematic structural view of a heat exchanger provided in example 1;
fig. 4 is a schematic structural view of a gas-phase heat exchange liquid inlet pipe provided in embodiment 1;
in the above figures, 1, a rectifying tower body; 11. a gas phase pipe; 12. a liquid phase pipe; 13. liquid-phase finished pipes; 14. a gas-phase finished pipe; 2. a condenser; 21. a condenser body; 22. an air inlet cavity; 23. a condensation chamber; 24. a liquid outlet cavity; 25. a separator plate; 26. a condenser tube; 27. a flow guide clapboard; 28. a left chamber; 29. a right side chamber; 3. a reboiler; 4. a heat exchanger; 41. a heat exchanger body; 42. a partition plate; 43. An intermediate chamber; 44. a heat exchange pipe; 5. a liquid inlet pipe; 51. a gas phase heat exchange liquid inlet pipe; 52. a condenser liquid outlet pipe; 53. a liquid inlet pipe of the heat exchanger; 54. liquid phase heat exchange liquid inlet pipe.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
Considering that the main purpose of the liquid entering the rectifying tower from the liquid inlet pipe 5 is to absorb heat and transfer the light component (low-boiling-point substance) in the liquid phase to the gas phase, if the liquid is heated by using the waste heat, the temperature of the liquid entering the rectifying tower is raised faster after the liquid has a certain temperature, so that the volatilization efficiency can be effectively improved, and the working time of the liquid entering and the working time of the rectifying tower are the same, so that the resource waste cannot be caused, for this reason, in the present embodiment, for convenience of description, the liquid inlet pipe 5 comprises a gas-phase heat exchange liquid inlet pipe 51 and a liquid-phase heat exchange liquid inlet pipe 54, simply speaking, the gas-phase heat exchange liquid inlet pipe 51 is used for realizing the heat exchange of the gas-phase part, for this reason, the gas-phase heat exchange liquid inlet pipe 51 is communicated with the condenser 2, so that the gas-phase heat exchange liquid inlet pipe 51 is used to directly replace the conventional water for condensation, thereby realizing the heating of the liquid, and at the same time, the liquid-phase finished product pipe 13 is communicated with the heat exchanger 4, and the liquid-phase heat exchange liquid inlet pipe 54 is communicated with the heat exchanger 4, so that the heat exchange of the finished liquid phase is further realized, the waste of heat is avoided, and the heating purpose of the liquid is realized. Therefore, the waste heat generated by the rectifying tower is effectively utilized, and the rectifying efficiency is improved.
In order to further improve the rectification efficiency, in the present embodiment, the condenser 2 is further improved, specifically, the condenser 2 provided in the present embodiment includes a condenser body 21 vertically arranged in a tank shape, in the present embodiment, the main purpose of vertically arranging the condenser body is to increase the liquid time, the flowing speed in the vertical direction is smaller than the flowing speed in the horizontal direction, so as to improve the heat exchange time, a gas phase pipe 11 is arranged at the top of the condenser body 21, a gas phase product pipe 14 is arranged at the bottom of the condenser body 21, at this time, the gas phase product pipe 14 is filled with liquid, a partition plate is arranged up and down in the condenser body 21, the partition plate divides the condenser 2 into an air inlet cavity 22, a condensation cavity 23 and a liquid outlet cavity 24 which are arranged up and down, a partition plate 25 is arranged in the condensation cavity 23, the partition plate 25 divides the condensation cavity 23 into a left cavity 28 and a right cavity 29 which are communicated with each other, the L-shaped plate can be seen as the partition plate 25 in the whole day, the horizontal part has a certain distance from the partition plate, and thus, the hole is formed in the horizontal part, communication is formed, in the embodiment, the left cavity 28 is communicated with the air inlet cavity 22, the right cavity 29 is communicated with the liquid outlet cavity 24, the purpose of setting is achieved in such a way, the circulation distance of the gas phase is mainly ensured, and therefore the heat exchange effect is better achieved, the gas phase heat exchange liquid inlet pipe 51 is arranged on the condensation cavity 23 and used for air inlet, the condenser liquid outlet pipe 52 is arranged at the other end of the condensation cavity 23, the condenser liquid outlet pipe 52 is communicated with the liquid inlet pipe 5, the gas phase heat exchange liquid inlet pipe 51 extends into the left cavity 28 and is communicated with the right cavity 29, the vertically-arranged condenser pipe 26 is arranged in the right cavity 29, and the condenser pipe 26 is communicated with the left cavity 28 and the liquid outlet cavity 24. Thus, the gas phase firstly enters the left chamber 28, and enters the condensing tube 26 of the right chamber 29 after exchanging heat with the gas phase heat exchange liquid inlet pipe 51 in the left chamber 28, and the liquid in the gas phase heat exchange liquid inlet pipe 51 also enters the right chamber 29 from the bottom of the right chamber 29, rises to the top of the right chamber 29, and enters the rectifying tower through the condenser liquid outlet pipe 52. In the whole process, since the gas phase is at a high temperature just before entering the left chamber 28, if it is bound in the pipeline, it will adversely affect its heat exchange efficiency, and when it enters the right chamber 29, it will undergo a certain reduction in temperature through heat exchange, so that a liquid state is formed in the pipeline and is discharged.
In order to further increase the heat exchange effect, in this embodiment, the gas-phase heat exchange liquid inlet pipe 51 is disposed in the left chamber 28 in an S-shaped bent shape. Thus, the flowing length of the liquid is increased, and the heat exchange effect is improved.
In order to further increase the heat exchange effect, in the present embodiment, a baffle plate 27 is disposed in the left chamber 28, and the baffle plates 27 are disposed in the baffle plate 27 in an up-and-down staggered manner. Therefore, the flowing length of the gas phase is increased, so that the heat exchange time is prolonged, and the heat exchange effect is improved.
Thus, the effective utilization of gas-phase waste heat is realized through the change of the condenser 2 and the pipeline.
In order to realize the waste heat utilization to the finished product liquid phase, the heat exchanger 4 that this embodiment provided is including the heat exchanger body 41 that is the tank-like setting, because finished product liquid phase and liquid all become liquid, be provided with space bar 42 in the heat exchanger body 41 for this embodiment, space bar 42 is divided into three cavity with heat exchanger body 41, wherein, be provided with heat exchange tube 44 in the middle cavity 43, heat exchange tube 44 is with the cavity intercommunication of middle cavity 43 both sides, the circulation is realized through heat exchange tube 44 to the finished product liquid phase, be provided with liquid phase heat transfer feed liquor pipe 54 on middle cavity 43. In this embodiment, the liquid-phase heat exchange liquid inlet pipe 54 is used for communicating with the rectifying tower body 1, and one end of the intermediate chamber 43, which is far away from the liquid-phase heat exchange liquid inlet pipe 54, is provided with a heat exchanger liquid inlet pipe 53 for realizing the entry of liquid, so that the liquid completes heat exchange in the intermediate chamber 43.
In order to further improve the heat exchange effect of the heat exchanger 4, in the present embodiment, guide plates are disposed in the heat exchanger body 41, and the guide plates are disposed in the middle chamber 43 in a vertically staggered manner.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (5)
1. A waste heat utilization energy-saving consumption-reducing rectifying tower comprises a rectifying tower body, a gas phase pipe and a liquid phase pipe, wherein the gas phase pipe is arranged at the top of the rectifying tower body, the liquid phase pipe is arranged near the bottom of the rectifying tower body, the gas phase pipe is connected with a condenser, the liquid phase pipe is connected with a reboiler, the reboiler is communicated with a liquid phase finished product pipe, the middle part of the rectifying tower body is provided with a liquid inlet pipe, the waste heat utilization energy-saving consumption-reducing rectifying tower is characterized in that the liquid inlet pipe comprises a gas phase heat exchange liquid inlet pipe and a liquid phase heat exchange liquid inlet pipe, the liquid phase finished product pipe is communicated with a heat exchanger, the gas phase heat exchange liquid inlet pipe is communicated with a condenser, the condenser comprises a tank-shaped vertically arranged condenser body, the top of the condenser body is provided with the gas phase pipe, the bottom of the condenser body is provided with the gas phase finished product pipe, and partition plates are arranged in the condenser body from top to bottom, the condenser is divided into an air inlet cavity, a condensation cavity and a liquid outlet cavity which are arranged from top to bottom by the partition plate, the partition plate is arranged in the condensation cavity, the condensation cavity is divided into a left cavity and a right cavity which are communicated with each other by the partition plate, the left cavity is communicated with the air inlet cavity, the right cavity is communicated with the liquid outlet cavity, a gas-phase heat exchange liquid inlet pipe is arranged on the condensation cavity, the gas-phase heat exchange liquid inlet pipe stretches into the left cavity and is communicated with the right cavity, the right cavity is communicated with the liquid inlet pipe, a vertically arranged condensation pipe is arranged in the right cavity, and the condensation pipe is communicated with the left cavity and the liquid outlet cavity.
2. The waste heat utilization, energy saving and consumption reduction rectifying tower as recited in claim 1, wherein the gas phase heat exchange liquid inlet pipe is arranged in the left side chamber in an S-shaped bent shape.
3. The waste heat utilization energy-saving consumption-reducing rectifying tower as recited in claim 2, wherein a diversion baffle is arranged in the left chamber, and the diversion baffle is arranged in the diversion baffle in a vertically staggered manner.
4. The waste heat utilization energy-saving consumption-reducing rectifying tower as claimed in claim 1 or 3, wherein the heat exchanger comprises a heat exchanger body arranged in a tank shape, partition plates are arranged in the heat exchanger body and divide the heat exchanger body into three chambers, wherein a heat exchange tube is arranged in the middle chamber and communicates the chambers on two sides of the middle chamber, a liquid-phase finished product tube is arranged on the middle chamber and is arranged close to the left side and the right side of the middle chamber.
5. The waste heat utilization, energy saving and consumption reduction rectifying tower as recited in claim 4, wherein guide plates are arranged in the heat exchanger body, and the guide plates are arranged in the middle chamber in a vertically staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220426424.4U CN217489780U (en) | 2022-03-01 | 2022-03-01 | Energy-saving consumption-reducing rectifying tower utilizing waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220426424.4U CN217489780U (en) | 2022-03-01 | 2022-03-01 | Energy-saving consumption-reducing rectifying tower utilizing waste heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217489780U true CN217489780U (en) | 2022-09-27 |
Family
ID=83345092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220426424.4U Active CN217489780U (en) | 2022-03-01 | 2022-03-01 | Energy-saving consumption-reducing rectifying tower utilizing waste heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217489780U (en) |
-
2022
- 2022-03-01 CN CN202220426424.4U patent/CN217489780U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5877835B2 (en) | Vapor-liquid heat and / or mass exchange equipment | |
| CN111099680B (en) | U-shaped structure evaporator | |
| CN110606470A (en) | Device for producing hydrogen chloride by concentration and resolution in hydrochloric acid | |
| CN101537338B (en) | Square hole-shaped grooving diversion type structured packing | |
| CN217489780U (en) | Energy-saving consumption-reducing rectifying tower utilizing waste heat | |
| CN208553163U (en) | A kind of modular horizontal falling film evaporator | |
| CN103673683B (en) | A kind of muitishell circulating air condenser | |
| CN102650491B (en) | Plate-fin film type main cold liquid distributor for air separation | |
| CN211111046U (en) | Device for producing hydrogen chloride by concentration and resolution in hydrochloric acid | |
| CN209759421U (en) | White spirit distillation condenser | |
| CN202315342U (en) | Horizontal pipe falling film evaporation tower | |
| CN207493455U (en) | A kind of vehicular glycol dehydration device and absorption system | |
| CN204193536U (en) | A kind of high-efficiency multi-section preheating plate-type evaporator | |
| CN109126167B (en) | EO concentration tower structure | |
| CN208829307U (en) | A kind of rectifying applied to high saliferous high-COD waste water, MVR vaporising device | |
| CN102288051B (en) | Vertical double-tube plate shell-and-tube heat exchanger for evaporating liquid with minimum constant boiling component | |
| CN202393258U (en) | Vertical indirect condenser applicable to vacuum evaporation and crystallizing system | |
| CN208356144U (en) | The composite construction rectifier unit of demister and liquid re-distributor built in a kind of | |
| CN102650492A (en) | Air separation plate-fin type falling film condenser-evaporator | |
| CN214808475U (en) | Circulating evaporator | |
| CN215232146U (en) | Circulation evaporator with high heat exchange efficiency | |
| CN209745076U (en) | Combined generator for heating and analyzing same medium by multiple heat sources | |
| CN202044798U (en) | Multi-chamber double-tube-pass evaporator | |
| CN107551769A (en) | A kind of vehicular glycol dehydration device and absorption system | |
| CN202638020U (en) | Continuous multi-functional recovery tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |